Yamaha Yzf R1 2007 Manual

CHASSIS
3-28
c. Loosen the lower ring nut “4” completely, 
then tighten it to specification.
WARNING
EWA13140
Do not overtighten the lower ring nut.
d. Check the steering head for looseness or 
binding by turning the front fork all the way 
in both directions. If any binding is felt, 
remove the lower bracket and check the 
upper and lower bearings.
Refer to STEERING HEAD on page 4-59.
e. Install the rubber washer “3”.
f. Install the upper ring nut “2”.
g. Finger tighten the upper ring nut “2”, then...

CHASSIS
3-29
e. Repeat the above procedure on the oppo-
site handlebar.
f. If the steering head tension is out of specifi-
cation (both handlebars should be within 
specification), remove the upper bracket 
and loosen or tighten the upper ring nut.
g. Reinstall the upper bracket and measure 
the steering head tension again as 
described above.
h. Repeat the above procedure until the steer-
ing head tension is within specification.
i. Grasp the bottom of the front fork legs and 
gently rock the front...

CHASSIS
3-30
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Rebound damping
CAUTION:
ECA13590
Never go beyond the maximum or minimum 
adjustment positions.
1. Adjust:
 Rebound damping
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a. Turn the adjusting screw “1” in direction “a” 
or “b”.
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Compression damping
CAUTION:
ECA13590
Never go beyond the maximum or minimum 
adjustment positions.
1. Adjust:
 Compression damping
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Turn the adjusting screw “1” in direction “a” 
or...

CHASSIS
3-31
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EAS21610
ADJUSTING THE REAR SHOCK 
ABSORBER ASSEMBLY
WARNING
EWA13120
Securely support the vehicle so that there 
is no danger of it falling over.
Spring preload
CAUTION:
ECA13590
Never go beyond the maximum or minimum 
adjustment positions.
1. Adjust:
 Spring preload
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a. Adjust the spring preload with the special 
wrench and extension bar included in the 
owner’s tool kit.
b. Turn the adjusting ring “1” in direction “a” or 
“b”....

CHASSIS
3-32
Compression damping (fast compression
damping)
CAUTION:
ECA13590
Never go beyond the maximum or minimum 
adjustment positions.
1. Adjust:
 Compression damping (fast compression 
damping)
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Turn the adjusting screw “1” in direction “a” 
or “b”.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
Compression damping (slow compression
damping)
CAUTION:
ECA13590
Never go beyond the maximum or minimum 
adjustment positions.
1. Adjust:
 Compression damping (slow compression 
damping)...

CHASSIS
3-33
WARNING
EWA13180
 The tire pressure should only be checked 
and regulated when the tire temperature 
equals the ambient air temperature.
 The tire pressure and the suspension 
must be adjusted according to the total 
weight (including cargo, rider, passenger 
and accessories) and the anticipated 
riding speed.
 Operation of an overloaded vehicle could 
cause tire damage, an accident or an 
injury.
NEVER OVERLOAD THE VEHICLE.
WARNING
EWA13190
It is dangerous to ride with a worn-out tire....

CHASSIS
3-34
WARNING
EWA14090
After extensive tests, the tires listed below 
have been approved by Yamaha Motor Co., 
Ltd. for this model. The front and rear tires 
should always be by the same manufac-
turer and of the same design. No guarantee 
concerning handling characteristics can be 
given if a tire combination other than one 
approved by Yamaha is used on this vehi-
cle.
WARNING
EWA13210
New tires have a relatively low grip on the 
road surface until they have been slightly 
worn. Therefore,...

CHASSIS
3-35
EAS21710
LUBRICATING THE PEDAL
Lubricate the pivoting point and metal-to-metal 
moving parts of the pedal.
EAS21720
LUBRICATING THE SIDESTAND
Lubricate the pivoting point and metal-to-metal 
moving parts of the sidestand.
EAS21740
LUBRICATING THE REAR SUSPENSION
Lubricate the pivoting point and metal-to-metal 
moving parts of the rear suspension.
Recommended lubricant
Lithium-soap-based grease
Recommended lubricant
Lithium-soap-based grease
Recommended lubricant
Molybdenum disulfide grease 

ELECTRICAL SYSTEM
3-36
EAS21750
ELECTRICAL SYSTEM
EAS21760
CHECKING AND CHARGING THE BATTERY
Refer to ELECTRICAL COMPONENTS on 
page 8-77.
EAS21770
CHECKING THE FUSES
Refer to ELECTRICAL COMPONENTS on 
page 8-77.
EAS21790
REPLACING THE HEADLIGHT BULBS
The following procedure applies to both of the 
headlight bulbs.
1. Remove:
 Intake air duct panel
Refer to GENERAL CHASSIS on page 4-
1.
2. Remove:
 Headlight bulb coupler (high beam) “1”
 Headlight bulb cover “2”
3. Disconnect:
 Headlight bulb coupler...

ELECTRICAL SYSTEM
3-37
 Headlight bulb coupler (high beam)
11. Install:
 Intake air duct panel
Refer to GENERAL CHASSIS on page 4-
1.
EAS21810
ADJUSTING THE HEADLIGHT BEAMS
The following procedure applies to both of the 
headlights.
1. Remove:
Front cowling inner panels
Refer to GENERAL CHASSIS on page 4-
1.
2. Adjust:
 Headlight beam (vertically)
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a. Turn the adjusting screw “1” in direction “a” 
or “b”.
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3. Adjust:
 Headlight beam...